#!/bin/sh

# begin by defining NDK_ROOT
if test -z $NDK_ROOT; then echo "NDK_ROOT is not exported, do so by something close to this: export NDK_ROOT=/path/to/android-ndk-r5"; exit; fi

# export needed variables
export NDK_TOOLCHAIN=$NDK_ROOT/my-android-toolchain

# remove the old toolchain
rm -rf $NDK_TOOLCHAIN/*
# create the toolchain
$NDK_ROOT/build/tools/make-standalone-toolchain.sh --platform=android-9 --install-dir=$NDK_TOOLCHAIN

# export needed variables for crosscompile
export PATH="$NDK_TOOLCHAIN/bin/:$PATH"

export HOST=arm-linux-androideabi

export CC=$HOST-gcc
export CXX=$HOST-g++
export AR=$HOST-ar
export LD=$HOST-ld
export AS=$HOST-as
export NM=$HOST-nm
export STRIP=$HOST-strip
export RANLIB=$HOST-ranlib
export OBJDUMP=$HOST-objdump

export CPPFLAGS="--sysroot=$NDK_TOOLCHAIN/sysroot -I$NDK_TOOLCHAIN/sysroot/usr/include -I$NDK_TOOLCHAIN/include"
export LDFLAGS="-L$NDK_TOOLCHAIN/sysroot/usr/lib -L$NDK_TOOLCHAIN/lib"
#export LIBS="-lc"

BUILD=`configtools/config.guess`

# fix config tools, often they are very outdated, and needed for crosscompiling
# usage: fix_configtools <path1> <path2> ...
  fix_configtools() {
    for i in $@; do
      echo ">>> copy config.guess and config.sub to $i"
      cp ../configtools/config.guess $i
      cp ../configtools/config.sub $i
    done
  }

(
  cd libiconv-1.13.1
  fix_configtools .
  ./configure --host=arm-linux-eabi \
              --build=$BUILD \
              --prefix=$NDK_TOOLCHAIN

  cd libcharset
  make
  make install
  cd ..

  cd lib
  make
  make install
  cd ..

  cp include/iconv.h $NDK_TOOLCHAIN/include
)

(
  cd freetype-2.4.4
  fix_configtools .
  ./configure --host=$HOST \
              --build=$BUILD \
              --prefix=$NDK_TOOLCHAIN

  make
  make install
)